Refactor Timer classes in preparation for landing FrameTimers.

third_party/WebKit/Source/core/svg/graphics/SVGImageChromeClient.cpp

 /*
  * Copyright (C) 2012 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 13 matching lines @@
  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "core/svg/graphics/SVGImageChromeClient.h"
 
 #include "core/svg/graphics/SVGImage.h"
 #include "platform/graphics/ImageObserver.h"
 #include "wtf/CurrentTime.h"
-#include "wtf/PtrUtil.h"
 
 namespace blink {
 
 static const double animationFrameDelay = 0.025;
 
 SVGImageChromeClient::SVGImageChromeClient(SVGImage* image)
     : m_image(image)
     , m_animationTimer(
         wrapUnique(new Timer<SVGImageChromeClient>(
             this, &SVGImageChromeClient::animationTimerFired)))
@@ skipping 60 matching lines @@
     // stringent.
     double fireTime = 0;
     if (m_image->hasAnimations()) {
         if (m_timelineState >= Suspended)
             return;
         fireTime = animationFrameDelay;
     }
     m_animationTimer->startOneShot(fireTime, BLINK_FROM_HERE);
 }
 
-void SVGImageChromeClient::setTimer(Timer<SVGImageChromeClient>* timer)
+void SVGImageChromeClient::setTimer(std::unique_ptr<TimerBase> timer)
 {
-    m_animationTimer = wrapUnique(timer);
+    m_animationTimer = std::move(timer);
 }
 
-void SVGImageChromeClient::animationTimerFired(Timer<SVGImageChromeClient>*)
+void SVGImageChromeClient::animationTimerFired(TimerBase*)
 {
     if (!m_image)
         return;
 
     // The SVGImageChromeClient object's lifetime is dependent on
     // the ImageObserver (an ImageResource) of its image. Should it
     // be dead and about to be lazily swept out, do not proceed.
     //
     // TODO(Oilpan): move (SVG)Image to the Oilpan heap, and avoid
     // this explicit lifetime check.
     if (ThreadHeap::willObjectBeLazilySwept(m_image->getImageObserver()))
         return;
 
     m_image->serviceAnimations(monotonicallyIncreasingTime());
 }
 
 } // namespace blink